San Joaquin County property record for 21730 S Union Rd, Manteca, CA 95337
| Property Type | Residential Vacant Land |
|---|---|
| Lot Size | 0.35 acres (15,246 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $14 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 226-100-040-000 |
| Primary APN | 226-100-040-000 |
|---|---|
| Alternative APNs |
|
| Lot Area | 15,246 sqft (0.35 acres) |
|---|
| Old Parcel Number | 226-100-04 |
|---|---|
| Street Address | 21730 S UNION RD |
| City | MANTECA |
| State | CA |
| Zip | 95337-9405 |
| Property Category | Residential |
| Property Type | Vacant Land > Residential |
| Local Zoning Code | AG40 |
| Legal Description | REDRAWN NOV-14-2001 FROM ORIGINAL APN 243-120-04 |
| Legal Block | 1 |
| Jurisdiction | SAN JOAQUIN CA |
| Township / Civil Division | MANTECA |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 5106 |
21730 S Union Rd, residential vacant land, is owned by an individual.
Source: San Joaquin County records, as of October 13, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | PO BOX 2162, MANTECA, CA 95336-1160 |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 21730 S Union Rd was $14.
Source: San Joaquin County assessment roll, as of September 24, 2025
| Type | Name |
|---|---|
| State | California |
| County | San Joaquin County |
| Unified School District | Manteca Unified School District (KG - 12) |
| Year | Tax Bill |
|---|---|
| 2026 | $14.00 |
| 2025 | $14.00 |
| 2023 | $25.00 (+108.33%) |
| 2022 | $12.00 |
FEMA maps place 21730 S Union Rd in Zone X, an area of minimal flood risk, though there have been 42 flood claims nearby since 1980.
Source: FEMA National Flood Hazard Layer, effective September 27, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 82 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 82 in force |
| Nearby Flood Claims | 42 (1980–2017) |
| Claims Outside the SFHA | 11 of 42 |
| Most Recent Claim | Feb 2017 · Severe Winter Storms, Flooding, And Mudslides |
| Claims by Event |
|
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire risk around 21730 S Union Rd is moderate, ranking above 67% of the US, with a 0.2% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 67% of the US · above 41% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | None beyond ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | SOUTH SAN JOAQUIN IRRIGATION DISTRICT serves 0 people · EPA ID CA5010040 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Sep 2025 |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 19 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayera Technologies Fixed Wireless | 1,000 / 500 |
| ezWave Fixed Wireless | 1,000 / 200 |
| unWired Broadband Fixed Wireless | 400 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| Matrix Broadband Fixed Wireless | 200 / 40 |
| Cal.net Fixed Wireless | 100 / 20 |
May also be available: Frontier.
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